BGS mineralogy and petrology collection record

Sample number E54439; COLLNOFU11;
Sample Donor Fletcher, Chris J.N
Rock name 'Original entry: Tuff'
Stratigraphy Not entered
Comments Quartz tuff. Padarn Tuff
Locality details 35 m 164 deg from Chapel in Cilgwyn
50k map sheet Nefyn (118)

View images in GeoScenic related to 'Nefyn'

View the geology near 'Nefyn'

Map reference SH 4977 5425
Year collected Not entered 
Bore name Not applicable
Confidentiality No restrictions

Petrological thin sections

Links to high resolution images

Transition from XPL to PPL light


E54439

Cross Polarized, E54439

Plane Polarized, E54439

Plane Polarized, E54439